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99 lines
4.0 KiB
C
99 lines
4.0 KiB
C
/*-
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* Copyright (C) 2006 Jason Evans <jasone@FreeBSD.org>.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice(s), this list of conditions and the following disclaimer as
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* the first lines of this file unmodified other than the possible
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* addition of one or more copyright notices.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice(s), this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER(S) ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _MALLOC_NP_H_
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#define _MALLOC_NP_H_
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#include <sys/cdefs.h>
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#include <sys/types.h>
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#include <stdbool.h>
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#include <strings.h>
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__BEGIN_DECLS
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typedef void *(chunk_alloc_t)(void *, size_t, size_t, bool *, bool *, unsigned);
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typedef bool (chunk_dalloc_t)(void *, size_t, bool, unsigned);
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typedef bool (chunk_commit_t)(void *, size_t, size_t, size_t, unsigned);
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typedef bool (chunk_decommit_t)(void *, size_t, size_t, size_t, unsigned);
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typedef bool (chunk_purge_t)(void *, size_t, size_t, size_t, unsigned);
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typedef bool (chunk_split_t)(void *, size_t, size_t, size_t, bool, unsigned);
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typedef bool (chunk_merge_t)(void *, size_t, void *, size_t, bool, unsigned);
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typedef struct {
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chunk_alloc_t *alloc;
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chunk_dalloc_t *dalloc;
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chunk_commit_t *commit;
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chunk_decommit_t *decommit;
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chunk_purge_t *purge;
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chunk_split_t *split;
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chunk_merge_t *merge;
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} chunk_hooks_t;
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size_t malloc_usable_size(const void *ptr);
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void malloc_stats_print(void (*write_cb)(void *, const char *),
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void *cbopaque, const char *opts);
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int mallctl(const char *name, void *oldp, size_t *oldlenp, void *newp,
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size_t newlen);
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int mallctlnametomib(const char *name, size_t *mibp, size_t *miblenp);
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int mallctlbymib(const size_t *mib, size_t miblen, void *oldp,
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size_t *oldlenp, void *newp, size_t newlen);
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#define MALLOCX_LG_ALIGN(la) (la)
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#define MALLOCX_ALIGN(a) (ffsl(a)-1)
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#define MALLOCX_ZERO ((int)0x40)
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#define MALLOCX_TCACHE(tc) ((int)(((tc)+2) << 8))
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#define MALLOCX_TCACHE_NONE MALLOCX_TCACHE(-1)
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#define MALLOCX_ARENA(a) ((int)(((a)+1) << 20))
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void *mallocx(size_t size, int flags);
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void *rallocx(void *ptr, size_t size, int flags);
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size_t xallocx(void *ptr, size_t size, size_t extra, int flags);
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size_t sallocx(const void *ptr, int flags);
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void dallocx(void *ptr, int flags);
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void sdallocx(void *ptr, size_t size, int flags);
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size_t nallocx(size_t size, int flags);
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void * __calloc(size_t number, size_t size) __malloc_like;
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void * __malloc(size_t size) __malloc_like;
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void * __realloc(void *ptr, size_t size);
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void __free(void *ptr);
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int __posix_memalign(void **ptr, size_t alignment, size_t size);
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void *__aligned_alloc(size_t alignment, size_t size);
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size_t __malloc_usable_size(const void *ptr);
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void *__mallocx(size_t size, int flags);
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void *__rallocx(void *ptr, size_t size, int flags);
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size_t __xallocx(void *ptr, size_t size, size_t extra, int flags);
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size_t __sallocx(const void *ptr, int flags);
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void __dallocx(void *ptr, int flags);
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void __sdallocx(void *ptr, size_t size, int flags);
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size_t __nallocx(size_t size, int flags);
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__END_DECLS
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#endif /* _MALLOC_NP_H_ */
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